On measures of nonnormality of matrices
In: Linear algebra and its applications, Jg. 92, S. 107-1231987On the axial anomaly at finite temperature in the Schwinger model
In: Zeitschrift für Physik C: Particles and fields, Jg. 52 H. 2, S. 339-3421991On well-posed problems for connecting orbits in dynamical systems
In: Chaotic numerics, Jg. 172, S. 131-1681994Operators of finite rank in unitary representations of exponential Lie groups
In: Mathematische Annalen, Jg. 259 H. 3, S. 371-3831982Order and equivalence of rational numbers: a cognitive analysis
In: Journal for research in mathematics education, Jg. 16 H. 1, S. 18-361985Order and equivalence of rational numbers: a clinical teaching experiment
In: Journal for research in mathematics education, Jg. 15 H. 5, S. 323-3411984Organization and partial sequence of a DNA region of the Rhizobium leguminosarum symbiotic plasmid pRL6JI containing the genes fixABC, nifA, nifB and a novel open reading frame
In: Nucleic Acids Research, Jg. 15 H. 1, S. 31-491987Orientation dependence of the sticking probability of NO at Ni(100)
In: Vacuum, Jg. 41 H. 1-3, S. 265-2681990